analyst
NASDAQ · BIIB
Biogen Inc.
Healthcare · Drug Manufacturers - General
$215.50
Down-$3.55 (-1.62%)
Updated Sep 20, 2026, 6:47 PM
SID Score
6.8/10
Composite research score
Smart Money
62/100
Neutral
- Market cap
- 25.33B
- P/E ratio
- 15.74
- Dividend yield
- 0.00%
- 52-week range
- $160.36 – $225.80
- Volume
- 2.64M
- Avg. volume
- 1.8M
Price performance
BIIB price history
1M range · 19 trading sessions · Daily adjusted prices
BIIB closed at $215.50 after 19 trading sessions, down 1.20% for the selected period.
- Last close
- $215.50
- Period change
- -1.20%
- Period low
- $210.73
- Period high
- $224.51
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 18, 2026 | $219.05 | $220.17 | $215.26 | $215.50 | 2.64M |
| Sep 17, 2026 | $217.68 | $219.41 | $215.33 | $219.05 | 836.71K |
| Sep 16, 2026 | $216.41 | $218.29 | $214.81 | $216.01 | 606.49K |
| Sep 15, 2026 | $216.71 | $216.71 | $213.54 | $216.17 | 756.05K |
| Sep 14, 2026 | $221.00 | $222.245 | $215.56 | $217.36 | 629.93K |
| Sep 11, 2026 | $216.75 | $219.76 | $214.7125 | $217.15 | 1.08M |
| Sep 10, 2026 | $209.92 | $216.70 | $208.9279 | $215.43 | 936.64K |
| Sep 9, 2026 | $210.50 | $213.48 | $209.00 | $210.73 | 694.67K |
| Sep 8, 2026 | $215.45 | $217.2803 | $210.54 | $212.50 | 617.83K |
| Sep 4, 2026 | $221.15 | $223.82 | $219.82 | $220.83 | 465.11K |
| Sep 3, 2026 | $225.44 | $225.80 | $221.23 | $224.51 | 550.75K |
| Sep 2, 2026 | $218.20 | $225.59 | $216.97 | $222.67 | 1.27M |
| Sep 1, 2026 | $218.11 | $219.30 | $213.60 | $216.04 | 785.5K |
| Aug 31, 2026 | $216.47 | $218.89 | $213.58 | $216.65 | 831K |
| Aug 28, 2026 | $221.17 | $222.00 | $216.78 | $218.50 | 517.48K |
| Aug 27, 2026 | $219.39 | $222.11 | $217.53 | $221.50 | 497.52K |
| Aug 26, 2026 | $219.34 | $222.00 | $218.6907 | $221.07 | 647.33K |
| Aug 25, 2026 | $218.93 | $222.85 | $218.00 | $220.77 | 495.44K |
| Aug 24, 2026 | $216.40 | $218.50 | $213.96 | $218.12 | 649.83K |
Latest BIIB news
The latest Smart Investors Daily articles mentioning BIIB.
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